InChI=1/C13H11N5O4/c14-13(15-9-1-5-11(6-2-9)17(19)20)16-10-3-7-12(8-4-10)18(21)22/h1-8H,(H3,14,15,16)/p+1/fC13H12N5O4/h15-16H,14H2/q+1 59ED6A961551AAEE